/*
 * Copyright (c) 2010, artur
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * kiddie-os
 * Created on: 14.04.2010
 *     Author: artur
 *
 */

#ifndef VMMAP_H_
#define VMMAP_H_

#include <Object.h>

#include <kiddie/kiddie.h>
#include <sys/types.h>
#include <platform.h>
#include <mem/MemTypes.h>

#include <ArchPager.h>

namespace kernel
{
	namespace mem
	{

        class VmMap : public kernel::mem::ArchVmMap
		{
			public:
				kernel::mem::MemArea usedareas;
				kernel::mem::MemArea freeareas;
//				pgd_t pgd;

			public:
                VmMap();
                VmMap(kernel::mem::page::PageFactory *pNode);
                VmMap(kernel::mem::page::PageFactory *pNode, pgd_t _pgd);
                ~VmMap();
                int mergeAllAreas(void);
				vaddr_t remap(paddr_t, size_t);
				vaddr_t remap(paddr_t, vaddr_t, size_t);
				VmMap &operator+=(const kernel::mem::MemArea &blk);
				VmMap &operator-=(const kernel::mem::MemArea &blk);
				VmMap &operator=(VmMap &_from);
                vaddr_t getFreeVAddr(paddr_t paddr, size_t siz);
                vaddr_t mapArea(void);
                vaddr_t mapPage(vaddr_t vaddr);

			private:
                int mergeArea(kernel::mem::MemArea *);
				void _init(void);
		};

	}
}

#endif /* VMMAP_H_ */
